diff options
Diffstat (limited to 'lib/kernel/src/inet.erl')
| -rw-r--r-- | lib/kernel/src/inet.erl | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/kernel/src/inet.erl b/lib/kernel/src/inet.erl index b60c68e3a1..49f64a9236 100644 --- a/lib/kernel/src/inet.erl +++ b/lib/kernel/src/inet.erl @@ -40,6 +40,10 @@ -export([tcp_controlling_process/2, udp_controlling_process/2, tcp_close/1, udp_close/1]). + +%% used by sendfile +-export([lock_socket/2]). + %% used by socks5 -export([setsockname/2, setpeername/2]). @@ -1353,3 +1357,14 @@ stop_timer(Timer) -> end; T -> T end. + + +lock_socket(S,Val) -> + case erlang:port_info(S, connected) of + {connected, Pid} when Pid =/= self() -> + {error, not_owner}; + undefined -> + {error, einval}; + _ -> + prim_inet:ignorefd(S,Val) + end. |